.
Thread 4 (Thread 0x7f1a5fac2700 (LWP 2119)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
No locals.
#1  0x00007f1a68e281e5 in _L_lock_883 () from /tmp/tmpPAam0E/lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#2  0x00007f1a68e2803a in __pthread_mutex_lock (mutex=0xee7160) at pthread_mutex_lock.c:61
        __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
        type = 15626592
#3  0x00007f1a67e8aaed in on_worker_message_about_to_be_sent (worker=<optimized out>, message=0xefaad0, user_data=0xee7830) at /build/buildd/glib2.0-2.30.0/./gio/gdbusconnection.c:2183
        connection = 0xee7830
        filters = <optimized out>
        num_filters = <optimized out>
        n = <optimized out>
        alive = <optimized out>
#4  0x00007f1a67ea0cdd in _g_dbus_worker_emit_message_about_to_be_sent (message=0xefaad0, worker=0xef5060) at /build/buildd/glib2.0-2.30.0/./gio/gdbusprivate.c:494
        ret = <optimized out>
#5  maybe_write_next_message (worker=0xef5060) at /build/buildd/glib2.0-2.30.0/./gio/gdbusprivate.c:1412
        old_message = 0xefaad0
        new_blob = <optimized out>
        new_blob_size = <optimized out>
        error = <optimized out>
        data = 0x103eb90
        __PRETTY_FUNCTION__ = "maybe_write_next_message"
#6  0x00007f1a67ea0e53 in write_message_in_idle_cb (user_data=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gio/gdbusprivate.c:1473
        worker = <optimized out>
#7  0x00007f1a674d5a5d in g_main_dispatch (context=0xef5a30) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2441
        dispatch = 0x7f1a674d1790 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0xef5060
        callback = 0x7f1a67ea0e40 <write_message_in_idle_cb>
        cb_funcs = 0x7f1a67785670
        cb_data = 0xf44370
        current_source_link = {data = 0xf7a270, next = 0x0}
        need_destroy = <optimized out>
        source = 0xf7a270
        current = 0xef6490
        i = <optimized out>
#8  g_main_context_dispatch (context=0xef5a30) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3011
No locals.
#9  0x00007f1a674d6258 in g_main_context_iterate (context=0xef5a30, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3089
        max_priority = 2147483647
        timeout = -1
        some_ready = 1
        nfds = 5
        allocated_nfds = <optimized out>
        fds = <optimized out>
#10 0x00007f1a674d6792 in g_main_loop_run (loop=0xef59e0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#11 0x00007f1a67e9f516 in gdbus_shared_thread_func (user_data=0xef5a00) at /build/buildd/glib2.0-2.30.0/./gio/gdbusprivate.c:276
        data = 0xef5a00
#12 0x00007f1a674fb2b6 in g_thread_create_proxy (data=0xef5b20) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0xef5b20
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#13 0x00007f1a68e25efc in start_thread (arg=0x7f1a5fac2700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f1a5fac2700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3330871844279096493, 140734963261824, 139751250995648, 0, 3, -3455073370205645651, -3454978277563755347}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#14 0x00007f1a671d389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#15 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f1a5f2c1700 (LWP 3009)):
#0  0x00007f1a671c7773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f1a5c3b903f in poll_func (ufds=0x1197600, nfds=2, timeout=-1, userdata=0x1101930) at pulse/thread-mainloop.c:69
        mutex = 0x1101930
        r = <optimized out>
#2  0x00007f1a5c3aa45c in pa_mainloop_poll (m=0x1117480) at pulse/mainloop.c:875
        __func__ = "pa_mainloop_poll"
        __PRETTY_FUNCTION__ = "pa_mainloop_poll"
#3  0x00007f1a5c3aaac9 in pa_mainloop_iterate (m=0x1117480, block=<optimized out>, retval=0x0) at pulse/mainloop.c:957
        r = <optimized out>
        __func__ = "pa_mainloop_iterate"
        __PRETTY_FUNCTION__ = "pa_mainloop_iterate"
#4  0x00007f1a5c3aab80 in pa_mainloop_run (m=0x1117480, retval=0x0) at pulse/mainloop.c:975
        r = <optimized out>
#5  0x00007f1a5c3b8fef in thread (userdata=0xfd7620) at pulse/thread-mainloop.c:88
        m = 0xfd7620
        mask = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
#6  0x00007f1a57de1c78 in internal_thread_func (userdata=0x1113210) at pulsecore/thread-posix.c:83
        t = 0x1113210
#7  0x00007f1a68e25efc in start_thread (arg=0x7f1a5f2c1700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f1a5f2c1700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3330871844279096493, 139751405583392, 139751242602944, 0, 3, -3455074469180402515, -3454978277563755347}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f1a671d389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f1a5e8b7700 (LWP 2121)):
#0  0x00007f1a671c7773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f1a674d5f68 in g_main_context_poll (n_fds=1, fds=0xefde10, timeout=-1, context=0xf02ea0, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
        poll_func = 0x7f1a674e44c0 <g_poll>
#2  g_main_context_iterate (context=0xf02ea0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0xefde10
#3  0x00007f1a674d6792 in g_main_loop_run (loop=0xf02fe0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f1a5e8bc9cb in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
        context = 0xf02ea0
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#5  0x00007f1a674fb2b6 in g_thread_create_proxy (data=0xf02f90) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0xf02f90
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007f1a68e25efc in start_thread (arg=0x7f1a5e8b7700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f1a5e8b7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3330871844279096493, 140734963261168, 139751232076224, 0, 3, -3455070851744197459, -3454978277563755347}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f1a671d389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f1a69220940 (LWP 2117)):
#0  0x00007f1a54574ec0 in ?? ()
No symbol table info available.
#1  0x00007f1a67e8f620 in call_in_idle_cb (user_data=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gio/gdbusconnection.c:4446
        invocation = 0x7f1a58004f60
        vtable = <optimized out>
        registration_id = <optimized out>
        subtree_registration_id = <optimized out>
        __PRETTY_FUNCTION__ = "call_in_idle_cb"
#2  0x00007f1a674d5a5d in g_main_dispatch (context=0xe8f910) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2441
        dispatch = 0x7f1a674d1790 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x7f1a58004f60
        callback = 0x7f1a67e8f510 <call_in_idle_cb>
        cb_funcs = 0x7f1a67785670
        cb_data = 0x7f1a50023ef0
        current_source_link = {data = 0x7f1a5007e0c0, next = 0x0}
        need_destroy = <optimized out>
        source = 0x7f1a5007e0c0
        current = 0xef6360
        i = <optimized out>
#3  g_main_context_dispatch (context=0xe8f910) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3011
No locals.
#4  0x00007f1a674d6258 in g_main_context_iterate (context=0xe8f910, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3089
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = 9
        allocated_nfds = <optimized out>
        fds = <optimized out>
#5  0x00007f1a674d6792 in g_main_loop_run (loop=0xfcf870) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x00007f1a684f0e1d in gtk_main () at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkmain.c:1367
        loop = 0xfcf870
#7  0x0000000000403caf in main (argc=1, argv=0x7fff697e2488) at main.c:467
        res = <optimized out>
        error = 0x0